This thing sounds hella-cool . . . a golf-ball-sized ultrasound device with a handle that would be used to scan for internal injuries and, with a few settings adjustments, to patch them via precise and localized ultrasonic heating of the blood into a seal.
Quite a bit different from what we're used to, as so wonderfully explained circa 2:47 in this gratuitous YouTube clip posting.
"Oh, I'd give a lot to see the hospital. Probably needles . . . sutures . . . oh the pain . . . they had to cut and sew people like garments!"